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Pin No.

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

I/O

O

I

I

I

I

O

O

O

O

O

O

O

O

I

O

I

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

O

Description

POWER RELAY, H: ON.

HEAD PHONE input, H: ON.

TC B deck play switch, H: PLAY.

TC A deck play switch, H: PLAY.

TC A deck, half input.

TC relay, H: ON.

TC capstan motor H/L, H: LOW.

TC capstan motor ON/OFF, L: ON.

TC TRG H/L, L: LOW.

TC PB A/B, H: B DECK (HA12203NT).

TC NORM/HIGH, H: HIGH (HA12203NT).

TC BIAS, H: ON (HA12203NT).

TC REC MUTE, L: ON (HA12203NT).

PROTECTION - IN.

Not used. (Ground).

S. WOOFER RELAY, H: ON.

POWER switch (push switch).

PHASE OUT, L: inverted.

Not used. (Ground).

Fluorescent display tube.

–26V

Fluorescent display tube.

Pin Name

POWER - RY

H. P SENSE

TC B PLAY

TC A PLAY

TA A HALF

TC RELAY

TC CAP M. H/L

TC CAP M. ON/OFF

TC TRG H/L

TC A/B

TC NORM/HIGH

TC BIAS

TC REC MUTE

PROTECTION - IN

N.C

S.W -RY

POWER IN

PHASE OUT

N.C

SEGMENT 18

SEGMENT 17

SEGMENT 16

SEGMENT 15

SEGMENT 14

SEGMENT 13

SEGMENT 12

SEGMENT 11

SEGMENT 10

V load

SEGMENT 9

SEGMENT 8

SEGMENT 7

SEGMENT 6

SEGMENT 5

SEGMENT 4

SEGMENT 3

SEGMENT 2

SEGMENT 1

GRID 12

GRID 11

GRID 10

GRID 9

GRID 8

GRID 7

GRID 6

GRID 5

GRID 4

GRID 3

GRID 2

GRID 1

Summary of Contents for HST-471

Page 1: ...chanism HCD GR8 RX90 Section Tape Transport Mechanism Type TCM 220WR2 SPECIFICATIONS Manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol a are trademarks of Dolby Laboratories Licensing Corporation Continued on next page This set is the tunerdeck and amplifier section in SEN R4720 R5750 ...

Page 2: ...CASSETTE DECK RECEIVER 1 GENERAL Tuner Amp Section 3 Deck Section 3 2 MECHANICAL ADJUSTMENTS 4 3 ELECTRICAL ADJUSTMENTS 4 4 DIAGRAMS 4 1 Circuit Boards Location 8 4 2 Block Diagram 9 4 3 Schematic Diagram Deck Section 12 4 4 Printed Wiring Board Deck Section 15 4 5 Printed Wiring Board Main Section 17 4 6 Schematic Diagram Main Section 19 4 7 Schematic Diagram Display Section 23 4 8 Printed Wiring...

Page 3: ... CONTROL MODE CONTROL MODE TONE CENTER REAR WOOFER MASTER VOLUME WOOFER ON OFF VIDEO 1 VIDEO 2 TAPE CD TUNER PHONO SOUND FIELD 1 ROCK 2 POPS 3 CLASSIC 4 MOVIE 5 GAME DECK SECTION 0 DECK A DECK A p DECK A ª ª DECK A º DECK A DIRECTION DECK B DOLBY NR DECK B DUBBING SPEED HIGH NORMAL DECK B REC PAUSE REC MUTE REC DECK B 0 DECK B p DECK B ª DECK B DECK B ª DECK B ...

Page 4: ...n in this service manual As a general rule playback circuit adjustment should be completed before performing recording circuit adjustment 6 The adjustments should be performed for both L CH and R ch 7 Switches and controls should be set as follows unless otherwise specified 8 Set to test mode Press key switch same time SPECTRUM ANALYZER ENTER NEXT and EFFECT ON OFF button Test Tape Record Playback...

Page 5: ...mode Then at NORMAL speed mode 7 Adjust RV651 on the AUDIO board so that frequency counter reads 3 000 90Hz 8 Frequency difference between deckA and deck B the beginning of the tape should be within 1 5 Adjustment Location AUDIO board Sample Value of Wow and flutter W RMS JIS within 0 3 test tape WS 48B Playback level Adjustment DECK A DECK B Procedure Mode Playback FWD Deck A is RV311 L CH and RV...

Page 6: ...ustment the RV511 L CH and RV521 R CH on the main board to repeat steps 1 and 2 Adjustable limits CN207 PB level 47 3 to 53 1 mV 24 3 to 23 3 dB Adjustment Location main board MAIN BOARD Component Side AUDIO BOARD Conductor Side attenuator set CD IN connector L L CH R R CH 1 315 Hz 2 10 kHz 50 mV 23 8 dB 600 Ω blank tape CS 123 AF OSC rear panel set recorded portion level meter rear panel VIDEO1 A...

Page 7: ... 7 ...

Page 8: ...S 4 1 CIRCUIT BOARDS LOCATION DISPLAY BOARD TEN KEY BOARD SUB HP BOARD HP BAORD SECONDARY BOARD DECK A BOARD LEAF SWITCH BOARD AUDIO BOARD DECK B BOARD WOOFER BOARD POWER BOARD MAIN BOARD TUNER UNIT PRIMARY BOARD AC BOARD ...

Page 9: ...HST 471 4 2 BLOCK DIAGRAM 9 10 11 Signal path TUNER AUDIO PB DECK A PB DECK B REC DECK B CD VIDEO 1 AUDIO VIDEO 2 AUDIO ...

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Page 18: ...ATT SERIAL BUS DECODER LATCH SCL SDA DIG GND OUT LEFT OUT RIGHT B OUT R B IN R B OUT L B IN L LOUD L LOUD R R TREBLE R TREBLE L A GND VS IN R N C N C L 1 2 3 4 5 6 7 8 9 10 GND MOTOR DRIVE NOISE FILTER CLAMP FWD IN REV IN VCC 1 VCC 2 NOISE FILTER MOTOR DRIVE MOTOR DRIVE MOTOR DRIVE T S D O C P FWD REV STOP CONTROL LOGIC Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27...

Page 19: ... HIGH H HIGH HA12203NT TC BIAS H ON HA12203NT TC REC MUTE L ON HA12203NT PROTECTION IN Not used Ground S WOOFER RELAY H ON POWER switch push switch PHASE OUT L inverted Not used Ground Fluorescent display tube 26V Fluorescent display tube Pin Name POWER RY H P SENSE TC B PLAY TC A PLAY TAA HALF TC RELAY TC CAP M H L TC CAP M ON OFF TC TRG H L TC A B TC NORM HIGH TC BIAS TC REC MUTE PROTECTION IN N...

Page 20: ...W CASE 3 POINT 5 4 990 063 11 CASE 6 A 4398 323 A POWER BOARD COMPLETE AEP UK AUS 6 A 4398 351 A POWER BOARD COMPLETE E SP 7 1 665 242 11 WOOFER BOARD 8 3 905 609 01 SCREW TRANSISTOR 10 1 665 243 11 AC BOARD 11 1 575 653 11 CORD POWER E 11 1 690 608 11 CORD POWER AUS 11 1 751 520 11 CORD POWER UK 11 1 769 744 11 CORD POWER AEP SP 12 1 569 007 11 ADAPTOR CONVERSION 2P E 14 3 703 244 00 BUSHING 2104...

Page 21: ...248 11 SUB HP BOARD 62 4 951 620 01 SCREW 2 6X8 BVTP 63 1 665 249 11 TEN KEY BOARD 64 A 4398 322 A DISPLAY BOARD COMPLETE AEP UK 64 A 4398 350 A DISPLAY BOARD COMPLETE E SP AUS 65 4 929 973 01 SCREW CASE 3 POINT 66 1 665 253 11 DECK B BOARD 67 4 990 051 01 BUTTON 68 4 990 054 01 BUTTON TC B 69 3 931 427 01 BUTTON EJ 70 3 350 426 01 SPRING RING 71 4 980 107 01 KNOB VOL 72 1 665 251 11 DECK A BOARD ...

Page 22: ...R S REEL 365 3 917 141 01 SPRING COMPRESSION 366 X 3371 305 1 REEL T ASSY 367 3 669 465 01 WASHER 1 5 STOPPER 368 X 3370 173 1 TU ASSY 369 4 980 439 01 FULCRUM HOLDER 370 3 917 142 01 SPRING COMPRESSION 371 3 939 862 01 CLIP 372 A 2007 131 A AUDIO BOARD COMPLETE 373 3 930 972 01 DETENT HALF 374 3 354 963 01 DAMPER 375 3 354 957 01 JOINT LOCK LEVER 376 3 354 954 01 LEVER LOCK LEVER R 377 3 354 953 ...

Page 23: ...SSY 415 3 908 600 01 LEVER REV B 416 1 650 669 11 LEAF SWITCH BOARD 417 3 908 598 01 CAM B 418 X 3372 931 1 ARM B ASSY FR 419 3 914 111 01 SPRING FR TORSION 420 3 908 604 01 LEVER TRIGGER B 421 3 911 115 01 WASHER STOPPER 423 3 917 176 11 BELT B 424 X 3370 172 1 FLYWHEEL AF ASSY M1 A 2004 409 A MOTOR ASSY CAPSTAN M2 A 2004 410 A MOTOR ASSY DC TRIGGER 5 4 TAPE MECHANISM DECK SECTION 2 TCM 220WR2 C ...

Page 24: ...31 FUSE TIME LAG 2 5A TRANSISTOR Q901 8 729 119 78 TRANSISTOR 2SC2785 HFE Q902 8 729 209 15 TRANSISTOR 2SD2012 RESISTOR R901 1 249 425 11 CARBON 4 7K 5 1 4W F R902 1 249 437 11 CARBON 47K 5 1 4W R903 1 249 421 11 CARBON 2 2K 5 1 4W F R904 1 249 403 11 CARBON 68 5 1 4W F RELAY RY901 1 755 018 11 RELAY SWITCH S901 1 571 309 11 SWITCH VOLTAGE SELECTOR E SP TRANSFORMER T901 1 450 358 11 TRANSFORMER PO...

Page 25: ...CARBON 18K 5 1 4W R624 1 249 432 11 CARBON 18K 5 1 4W R625 1 249 429 11 CARBON 10K 5 1 4W R651 1 247 856 00 CARBON 11K 5 1 4W R652 1 247 856 00 CARBON 11K 5 1 4W R653 1 249 441 11 CARBON 100K 5 1 4W VARIABLE RESISTOR RV301 1 238 598 11 RES ADJ CARBON 2 2K RV311 1 238 598 11 RES ADJ CARBON 2 2K RV341 1 238 551 11 RES ADJ CARBON 220K RV401 1 238 598 11 RES ADJ CARBON 2 2K RV411 1 238 598 11 RES ADJ ...

Page 26: ...949 11 ELECT 220uF 20 35V C720 1 126 963 11 ELECT 4 7uF 20 50V C721 1 126 963 11 ELECT 4 7uF 20 50V C743 1 126 933 11 ELECT 100uF 20 10V CONNECTOR CN701 1 565 480 11 CONNECTOR BOARD TO BOARD 4P CN703 1 766 553 11 PLUG CONNECTOR 10P CN716 1 695 380 31 PIN CONNECTOR PC BOARD 19P E SP AUS CN716 1 695 392 31 PIN CONNECTOR PC BOARD 31P AEP UK CN722 1 695 380 31 PIN CONNECTOR PC BOARD 19P AEP UK CN722 1...

Page 27: ... R774 1 249 410 11 CARBON 270 5 1 4W F R775 1 249 427 11 CARBON 6 8K 5 1 4W F R776 1 249 410 11 CARBON 270 5 1 4W F R777 1 249 411 11 CARBON 330 5 1 4W R778 1 249 427 11 CARBON 6 8K 5 1 4W F R779 1 249 413 11 CARBON 470 5 1 4W F R780 1 249 441 11 CARBON 100K 5 1 4W R781 1 249 422 11 CARBON 2 7K 5 1 4W F R782 1 249 417 11 CARBON 1K 5 1 4W F R783 1 249 419 11 CARBON 1 5K 5 1 4W F R784 1 249 421 11 C...

Page 28: ...03 21 SWITCH TACTILE TUNING S725 1 554 303 21 SWITCH TACTILE BAND S726 1 554 303 21 SWITCH TACTILE PHONO S727 1 554 303 21 SWITCH TACTILE TUNER S728 1 554 303 21 SWITCH TACTILE CD S729 1 554 303 21 SWITCH TACTILE TAPE S730 1 554 303 21 SWITCH TACTILE VIDEO 2 S731 1 554 303 21 SWITCH TACTILE VIDEO 1 VIBRATOR X701 1 760 489 11 VIBRATOR CERAMIC 1MHz 1 665 247 11 HP BOARD 1 665 248 11 SUB HP BOARD CAP...

Page 29: ...FILM 0 15uF 5 50V C327 1 136 167 00 FILM 0 15uF 5 50V C328 1 126 962 11 ELECT 3 3uF 20 50V C329 1 136 167 00 FILM 0 15uF 5 50V C330 1 126 963 11 ELECT 4 7uF 20 50V C331 1 126 959 11 ELECT 0 47uF 20 50V C332 1 126 963 11 ELECT 4 7uF 20 50V C333 1 126 959 11 ELECT 0 47uF 20 50V C336 1 104 664 11 ELECT 47uF 20 25V C337 1 126 959 11 ELECT 0 47uF 20 50V C338 1 126 964 11 ELECT 10uF 20 50V C339 1 162 29...

Page 30: ...CTOR BOARD TO BOARD 12P DIODE D301 8 719 987 63 DIODE 1N4148M D951 8 719 001 71 DIODE UZL 12M1 TA D952 8 719 200 82 DIODE 11ES2 D953 8 719 200 82 DIODE 11ES2 D956 8 719 011 92 DIODE UZ 10BSB TA D957 8 719 200 82 DIODE 11ES2 D958 8 719 200 82 DIODE 11ES2 D959 8 719 200 82 DIODE 11ES2 D960 8 719 200 82 DIODE 11ES2 D963 8 719 001 33 DIODE UZL 11L1 D964 8 719 987 63 DIODE 1N4148M D965 8 719 987 63 DIO...

Page 31: ...N 22K 5 1 4W R226 1 247 840 00 CARBON 2 4K 5 1 4W R227 1 249 417 11 CARBON 1K 5 1 4W F R228 1 249 428 11 CARBON 8 2K 5 1 4W F R229 1 249 421 11 CARBON 2 2K 5 1 4W F R301 1 249 441 11 CARBON 100K 5 1 4W R302 1 249 417 11 CARBON 1K 5 1 4W F R303 1 249 435 11 CARBON 33K 5 1 4W R304 1 249 411 11 CARBON 330 5 1 4W R305 1 249 417 11 CARBON 1K 5 1 4W F R306 1 249 441 11 CARBON 100K 5 1 4W R307 1 247 807 ...

Page 32: ...7 11 CARBON 1K 5 1 4W F R997 1 249 421 11 CARBON 2 2K 5 1 4W F R998 1 249 421 11 CARBON 2 2K 5 1 4W F R999 1 249 437 11 CARBON 47K 5 1 4W VARIABLE RESISTOR RV511 1 241 630 11 RES ADJ CARBON 10K RV521 1 241 630 11 RES ADJ CARBON 10K TEST PIN TP511 1 691 574 31 PIN CONNECTOR PC BOARD 3P TP521 1 691 574 31 PIN CONNECTOR PC BOARD 3P VIBRATOR X301 1 579 952 21 VIBRATOR CERAMIC 8MHz A 4398 323 A POWER B...

Page 33: ...140 82 TRANSISTOR 2SA988 PAFAEA Q371 8 729 119 76 TRANSISTOR 2SA1175 HFE Q372 8 729 141 30 TRANSISTOR 2SC3623A LK Q373 8 749 010 25 IC MN2488 OPY M Q374 8 749 010 26 IC MP1620 OPY M Q375 8 729 140 82 TRANSISTOR 2SA988 PAFAEA Q471 8 729 119 76 TRANSISTOR 2SA1175 HFE Q472 8 729 141 30 TRANSISTOR 2SC3623A LK Q473 8 749 010 25 IC MN2488 OPY M Q474 8 749 010 26 IC MP1620 OPY M Q475 8 729 140 82 TRANSIS...

Page 34: ...5 1 249 429 11 CARBON 10K 5 1 4W R936 1 249 429 11 CARBON 10K 5 1 4W R937 1 249 417 11 CARBON 1K 5 1 4W F R938 1 249 427 11 CARBON 6 8K 5 1 4W F R939 1 247 807 31 CARBON 100 5 1 4W R940 1 249 425 11 CARBON 4 7K 5 1 4W F R941 1 247 807 31 CARBON 100 5 1 4W R942 1 249 425 11 CARBON 4 7K 5 1 4W F R953 1 249 425 11 CARBON 4 7K 5 1 4W F R954 1 249 437 11 CARBON 47K 5 1 4W R955 1 247 807 31 CARBON 100 5...

Page 35: ...93 381 11 TUNER UNIT AEP UK HP101 1 500 093 11 HEAD MAGNETIC PLAYBACK DECK A HRPE1011 500 094 11 HEAD MAGNETIC REC PB ERASE DECK B J901 1 526 794 11 OUTLET AC AEP UK SP AUS J901 1 526 882 00 OUTLET AC E M1 A 2004 409 A MOTOR ASSY CAPSTAN M2 A 2004 410 A MOTOR ASSY DC TRIGGER T902 1 431 224 11 TRANSFORMER POWER AEP UK AUS T902 1 431 225 11 TRANSFORMER POWER E SP ACCESSORIES PACKING MATERIALS 1 475 ...

Page 36: ...HST 471 56 Sony Corporation Home A V Products Company 9 960 973 11 97F1676 1 Printed in Japan 1997 6 Published by General Engineering Dept Shibaura ...

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